Stair tread



FIG. 1 is a front perspective view of a stair tread, in accordance with a first embodiment.

FIG. 2 is a rear perspective view of the stair tread of FIG. 1 .

FIG. 3 is a front view of the stair tread of FIG. 1 .

FIG. 4 is a back view of the stair tread of FIG. 1 .

FIG. 5 is a left view of the stair tread of FIG. 1 .

FIG. 6 is a right view of the stair tread of FIG. 1 .

FIG. 7 is a top view of the stair tread of FIG. 1 .

FIG. 8 is a bottom view of the stair tread of FIG. 1 .

FIG. 9 is a front perspective view of a stair tread, in accordance with a second embodiment.

FIG. 10 is a rear perspective view of the stair tread of FIG. 9 .

FIG. 11 is a front view of the stair tread of FIG. 9 .

FIG. 12 is a back view of the stair tread of FIG. 9 .

FIG. 13 is a left view of the stair tread of FIG. 9 .

FIG. 14 is a right view of the stair tread of FIG. 9 .

FIG. 15 is a top view of the stair tread of FIG. 9 ; and,

FIG. 16 is a bottom view of the stair tread of FIG. 9 . 

CLAIM The ornamental design for a stair tread, as shown and described. 